Donald Trump is set to endorse House Speaker Paul Ryan (Wis.) during a rally in Green Bay, Wisconsin on Friday evening, Fox News reported. The expected endorsement comes three days after Trump told the Washington Post he was not “yet” ready to back Ryan in his upcoming primary election next Tuesday against Wisconsin businessman Paul Nehlen. While Trump publicly praised Nehlen for running “a very good campaign” earlier this week, Ryan is expected to win the primary by a landslide. The House speaker leads Nehlen by 66 points, according to a poll released Friday by the Remington Research Group. Trump...